package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品：{}", dishDTO);
        //清理缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);
        dishService.saveWithFlavor(dishDTO);
        return Result.success();
    }

    /**
     * 菜品分页查询
     *
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品分类查询：{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);

    }

    /**
     * 删除菜品/批量
     *
     * @param ids
     * @return
     */
    @DeleteMapping
    public Result deleteById(@RequestParam List<Long> ids) {
        log.error("删除菜品：{}", ids);
        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");

        dishService.deleteById(ids);
        return Result.success();
    }

    /**
     * 修改菜品起售停售状态
     *
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    public Result changeStatus(@PathVariable Integer status, Long id) {
        log.error("修改菜品状态:{}", id);
        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");

        dishService.changeStatus(status, id);
        return Result.success();
    }

    /**
     * 根据Id查询菜品
     *
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public Result<DishVO> queryById(@PathVariable Long id) {
        DishVO dishVO = dishService.queryById(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品信息
     *
     * @param dishDTO
     * @return
     */
    @PutMapping
    public Result insertDish(@RequestBody DishDTO dishDTO) {
        //将所有dish开头的数据清理掉
        cleanCache("dish_*");
        dishService.insertDish(dishDTO);
        return Result.success();

    }

    /**
     * 根据分类id查询菜品
     *
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId) {
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    private void cleanCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

}
